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Product Review

Thorne Zinc Bisglycinate 15mg

Thorne · Capsule · 15 mg

Price/day

€0.30

Dose

15 mg

Servings/pack

60

Pack price

€18.00

NSF Certified

Transparency Index

8.5/10

Recommended Safe choice for athletes needing bioavailable zinc without stomach issues.

Rating breakdown

Evidence for ingredient 8.0/10

Zinc has established evidence for normal immune function and testosterone synthesis in deficiency states.

Value for money 7.0/10

€0.30 per day for chelated zinc is fair given the NSF certification.

Product quality 9.0/10

GMP and NSF Sport-certified production using Albion Minerals chelate.

Label honesty 9.0/10

Declares elemental zinc and chelate form; no proprietary blends.

Third-party testing 9.0/10

NSF Sport covers doping tests and purity; supplemented with in-house lab analyses.

Product Description

Each capsule delivers 15 mg elemental zinc from bisglycinate. The chelate complex provides high tolerability and absorption, ideal for daily baseline use or competition phases.

What We Like

  • Albion chelate for maximum bioavailability
  • NSF Sport certification
  • Only two excipients (cellulose, silicon dioxide)
  • Free from gluten, dairy, and soy

What We’re Missing

  • No 30 mg version for short-term high-dose phases
  • Hard plastic packaging

Usage Recommendation

1 capsule daily between meals or before bed. Always take with a little water or electrolytes on an empty stomach to avoid nausea.

Ingredient dossier

Zinc is involved in hundreds of enzymes and is essential for immune function, DNA repair, and hormone synthesis. Low intake is not uncommon in older adults and vegans.

Read full dossier: Zinc →